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Question

# A castle wall made up of stone has four windows with its dimensions as shown below: Find the area covered with stones on the wall.

A
20/7 sq ft
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B
191/20 sq ft
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C
191/14 sq ft
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D
151/7 sq ft
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Solution

## The correct option is C 191/14 sq ftArea of castle wall = 23114 sq ft Given dimensions of the window: We have, Area of four windows = 4 × Area of one window = 4 × [53 × 37] sq ft Also, Remaining area = Area of the wall - Area of four windows = 23114 - 4 × [53 × 37] = 23114 - 207 = 231−4014 = 19114 sq ft Hence, the area covered with stones on the wall is 19114 sq ft.

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